Ключевые слова: africa, attraction, background, beautiful, blue, cave, cavern, crystal, cuza, dark, deep, destination, environment, formation, geology, grotto, inside, island, jambiani, kuza, lagoon, lake, landmark, landscape, limestone, mineral, natural, nature, nobody, pool, river, rock, rocky, scenery, scenic, sightseeing, stalactite, stalagmite, stone, surface, tanzania, tourism, travel, tropical, under, underground, vacation, wall, water, zanzibar,